Top surface of a gemstone setting



FIG. 1 is a perspective view of a top surface of a gemstone settingshowing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a front elevational view, the rear elevational view being amirror image; and,

FIG. 4 is a left side elevational view, the right side elevational viewbeing a mirror image.

The broken line showing of faceting and a ring shank is shown forillustrative purposes only and forms no part of the claimed design.

The ornamental design for a top surface of a gemstone setting, as shownand described.